Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Crystal Lynn Petersen, RDN, LD

Individual provider Registered Dietitian · NPI 1659881597

Crystal Lynn Petersen, RDN, LD is a Registered Dietitian in Grundy Center, Iowa. Licensed in Iowa. Registered with an NPI since 2017.

Licensed in
IA
In the registry since
2017
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

201 E J Ave
Grundy Center, IA 50638-2028
Phone: (319) 824-5421
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 00703 (IA)

Record details

NPI number1659881597
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , LD
Sole proprietorNo
NPI enumeratedOctober 5, 2017
Last updated in NPPESOctober 5, 2017

Other providers in Grundy Center